68467560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{81509}}^1$

素因数の和:81530

約数の個数: 64

約数和(自身を含む): 234748800

約数和(自身を除く): 166281240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 81509, 163018, 244527, 326036, 407545, 489054, 570563, 652072, 815090, 978108, 1141126, 1222635, 1630180, 1711689, 1956216, 2282252, 2445270, 2852815, 3260360, 3423378, 4564504, 4890540, 5705630, 6846756, 8558445, 9781080, 11411260, 13693512, 17116890, 22822520, 34233780, 68467560]

約数ペア:

[(1, 68467560), (2, 34233780), (3, 22822520), (4, 17116890), (5, 13693512), (6, 11411260), (7, 9781080), (8, 8558445), (10, 6846756), (12, 5705630), (14, 4890540), (15, 4564504), (20, 3423378), (21, 3260360), (24, 2852815), (28, 2445270), (30, 2282252), (35, 1956216), (40, 1711689), (42, 1630180), (56, 1222635), (60, 1141126), (70, 978108), (84, 815090), (105, 652072), (120, 570563), (140, 489054), (168, 407545), (210, 326036), (280, 244527), (420, 163018), (840, 81509)]